To obtain higher yield and better quality varieties, many approaches have been used in crop breeding, such as various forms of hybridization breeding, mutation breeding, and transgenic breeding.
The notion of selective breeding — i.e., breeding for our own convenience — hearkens back to Fascist theories of racial purity.
In June 2001, before the onset of the breeding season, three breeding males joined the group of females.
Dirks R, Van Dun K, De Snoo CB, Van Den Berg M, Lelivelt CL, Voermans W et al. Reverse breeding: a novel breeding approach based on engineered meiosis.
For the October-November breeding, a 20 day breeding period has proven to be long enough.
The importance of early successional habitats for breeding and post-breeding birds has received recent attention.
Menstrual cyclicity was monitored during the pre-breeding and breeding periods and timed matings were conducted with nonexposed males.
Applications of evolutionary theory to plant and animal breeding are discussed in the articles plant breeding and animal breeding.
Yesterday Maff inspectors destroyed 1,500 pigs, including 500 breeding sows, at a breeding unit in Quidenham, near Thetford, Norfolk.
For the future, studies of breeding biology, including breeding systems, sexual selection, and vocal arrays, should prove rewarding.
